/// <summary>
/// Converts this grid into a format that can be sent as a packet.
/// </summary>
/// <returns>Packet that can be sent to recreate this zone grid on another peer.</returns>
public ZoneGridPacket ToPacket()
{
ZoneGridPacket packet = new ZoneGridPacket();
packet.Zones = new ZoneGridPacketZoneInfo[m_zones.Count];
for (int i = 0; i < m_zones.Count; i++)
{
Zone zone = m_zones[m_zones.Keys.ToArray()[i]];
packet.Zones[i] = new ZoneGridPacketZoneInfo();
packet.Zones[i].ID = zone.ID;
packet.Zones[i].ParentID = zone.ParentID;
packet.Zones[i].ChildZone1ID = zone.ChildZone1ID;
packet.Zones[i].ChildZone2ID = zone.ChildZone2ID;
packet.Zones[i].SplitOrientation = zone.SplitOrientation;
packet.Zones[i].SuperPeers = new ZoneGridPacketSuperPeerInfo[zone.SuperPeers.Count];
for (int k = 0; k < zone.SuperPeers.Count; k++)
{
ZoneSuperPeer peer = zone.SuperPeers[k];
packet.Zones[i].SuperPeers[k].ID = peer.ID;
packet.Zones[i].SuperPeers[k].ZoneID = peer.ZoneID;
packet.Zones[i].SuperPeers[k].ClientID = peer.ClientID;
packet.Zones[i].SuperPeers[k].ClientIPAddress = peer.ClientIPAddress;
packet.Zones[i].SuperPeers[k].ClientListenPort = peer.ClientListenPort;
}
}
return packet;
}
/// <summary>
/// Converts a packet representation of this zone grid into the zone grid.
/// </summary>
/// <param name="packet">Packet to convert.</param>
public void FromPacket(ZoneGridPacket packet)
{
List<ZoneSuperPeer> old_superpeers = new List<ZoneSuperPeer>();
List<ZoneSuperPeer> new_superpeers = new List<ZoneSuperPeer>();
List<Zone> old_zones = new List<Zone>(m_zones.Values);
// Make a full list of all super peers that currently exist.
foreach (Zone zone in m_zones.Values)
{
old_superpeers.AddRange(zone.SuperPeers);
}
// Dispose of general stuff.
m_zones.Clear();
m_gained_superpeers.Clear();
m_lost_superpeers.Clear();
// Rebuild the zone grid.
foreach (ZoneGridPacketZoneInfo zoneInfo in packet.Zones)
{
Zone zone = null;
foreach (Zone z in old_zones)
{
if (z.ID == zoneInfo.ID)
{
zone = z;
zone.ParentID = zoneInfo.ParentID;
zone.ChildZone1ID = zoneInfo.ChildZone1ID;
zone.ChildZone2ID = zoneInfo.ChildZone2ID;
zone.Parent = null;
zone.ChildZone1 = null;
zone.ChildZone2 = null;
zone.SplitOrientation = zoneInfo.SplitOrientation;
break;
}
}
if (zone == null)
{
zone = new Zone(zoneInfo.ID, zoneInfo.ParentID, zoneInfo.ChildZone1ID, zoneInfo.ChildZone2ID, zoneInfo.SplitOrientation);
}
List<ZoneSuperPeer> oldZoneSuperPeers = new List<ZoneSuperPeer>(zone.SuperPeers);
zone.SuperPeers.Clear();
foreach (ZoneGridPacketSuperPeerInfo peerInfo in zoneInfo.SuperPeers)
{
ZoneSuperPeer peer = null;
foreach (ZoneSuperPeer p in oldZoneSuperPeers)
{
if (p.ID == peerInfo.ID)
{
peer = p;
break;
}
}
if (peer == null)
{
peer = new ZoneSuperPeer();
}
peer.ID = peerInfo.ID;
peer.ZoneID = peerInfo.ZoneID;
peer.ClientID = peerInfo.ClientID;
peer.ClientIPAddress = peerInfo.ClientIPAddress;
peer.ClientListenPort = peerInfo.ClientListenPort;
zone.SuperPeers.Add(peer);
}
new_superpeers.AddRange(zone.SuperPeers);
AddZone(zone);
}
// Calculate which super-peers are new.
foreach (ZoneSuperPeer peer in old_superpeers)
{
bool found = false;
foreach (ZoneSuperPeer peer2 in new_superpeers)
{
if (peer.ZoneID == peer2.ZoneID &&
peer.ClientID == peer2.ClientID)
{
found = true;
break;
}
}
if (found == false)
{
m_lost_superpeers.Add(peer);
}
}
// Calculate which super-peers have been list.
foreach (ZoneSuperPeer peer in new_superpeers)
{
bool found = false;
foreach (ZoneSuperPeer peer2 in old_superpeers)
{
if (peer.ZoneID == peer2.ZoneID &&
peer.ClientID == peer2.ClientID)
{
found = true;
break;
}
}
if (found == false)
{
m_gained_superpeers.Add(peer);
}
}
}